Do jellyfish ever die?

But Turritopsis can — and do — die. Their regeneration only occurs after sexual maturation, therefore they can succumb to predators or disease in the polyp stage. But because the jellyfish are the only known animal with this "immortality," scientists are studying them closely, with the hopes of applying what they learn to issues such as human aging and illness. read more

Among laboratory samples, all the adult Turritopsis observed regularly undergo this change. And not just once: they can do it over and over again. Thus, the only known way they can die is if they get consumed by another fish or if a disease strikes the jelly. However, there are still many mysteries surrounding the turritopsis dohrnii. read more